Preschool development screening in primary care of children, J.W. Freightner and David C. Cadman; baby walkers, Randell Alexander; childhood health promotion and injury control, Vincent J. Barone and Edward R. Christopherson; motivating children's use of car safety devices, Michael C. Roberts et al; a Heuristic review of the psychosocial aspects of myelodysplasia, Robert J. Thompson Jr and William Kronenberger; the prognostications of physicians about mentally retarded individuals, Mark L. Wolraich et al; risk factors associated with specific language disorder, J. Bruce Tomblin; follow-up of low birth weight infants - a contemporary review, Edward Goldson; abuse related to new technologies for the health care of children, James M. Perrin; behavioural aspects of cystic fibrosis, Gerald P. Koocher et al.